Danger level 7
Type: Malware
Common infection symptoms:
  • Annoying Pop-up's
  • Connects to the internet without permission
  • Installs itself without permissions
  • Shows commercial adverts
  • Slow Computer
  • Slow internet connection
  • System crashes


Mal/SillyFDC-A is an umbrella title for numerous Windows OS infections managed through IRC protocols, which is why various different names, including Net-Worm.SillyFDC, Backdoor:Win32/IRCbot.gen!S or Worm.Win32.AutoRun, could be used to describe the same malicious application. For the purposes of this generic description, we will introduce you with various symptoms and actions that could follow any of the Mal/SillyFDC-A infections; however, you must understand that not all pieces of malware will be presented in the same way, and some of them could even produce slightly different indications. The first thing you need to know about the infection is that all of its specimens are tremendously dangerous, which is why you should always guard your system with automatic malware-discovering removal tools to stop devious infections from entering in the first place. Before you are shown how to remove Mal/SillyFDC-A you should learn how this devious program can get inside the system and what kind of symptoms it could produce. Even if this information seems unnecessary, you need to understand that it could help you understand and prevent malware from attacking your PC again.

Most malware use multiple security vulnerabilities to enter unprotected Windows systems, and if few years ago enough backdoors were known, schemers now manage even more of them. Spam email attachments, social engineering scams, simulated SEO scams, camouflaged downloads, malignant advertisements and various other security cracks could serve cyber crooks by tricking you into downloading Mal/SillyFDC-A onto your own Windows system. Once this happens, such executables as server.exe (alias: winrar-crack.exe, windows sidebar-crack.exe, etc.), nocrypted.exe, text.exe, sexy.exe or avira.exe could hijack the registry, hide the infection from removal by reconfiguring Windows Security Center settings. These files could also steal passwords and usernames, employ rootkits to make it impossible to find and remove Mal/SillyFDC-A components, connect to personal email or online chat accounts and use them for malware propagation via mass spam email attacks. Other infection’s components could download more malicious applications, record browsing habits, use collected information for adware attacks, and initiate other high-risk processes, putting your personal privacy at risk.

Even though Mal/SillyFDC-A infections are mostly implemented with rootkits which hide them from removal, the dangerous applications are not indestructible, and you should act very quickly to delete them from your personal computer. Some users might attempt to delete the attacking viruses by using restore point features or having Mal/SillyFDC-A removed manually; however, neither of these solutions would protect your system for the long run and if you want to implement legitimate security tools – this is the best time, as automatic removal tools will delete malware from your PC quickest.

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How to manually remove Mal/SillyFDC-A

Files associated with Mal/SillyFDC-A infection:

Mal/SillyFDC-A processes to kill:


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